🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.3

Radius: 10.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 8.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,640,146 km

• M1: 126,859 km (0.08 R)
• M2: 470,336 km (0.115 R)
• M3: 913,594 km (0.097 R)
• M4: 1,672,055 km (0.117 R)
• M5: 2,013,587 km (0.113 R)
• M6: 2,372,173 km (0.108 R)
• M7: 2,748,711 km (0.069 R)
• M8: 3,110,888 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.5

Radius: 12.1

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.61 AU - 0.87 AU

Year: 432 Days

Day: 12.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,640,146 km

• M1: 152,141 km (0.099 R)
• M2: 578,196 km (0.102 R)
• M3: 977,472 km (0.096 R)
• M4: 1,411,157 km (0.104 R)
• M5: 2,421,690 km (0.035 R)
• M6: 2,819,321 km (0.025 R)
• M7: 3,272,453 km (0.12 R)
• M8: 3,917,370 km (0.101 R)
• M9: 4,440,962 km (0.113 R)
• M10: 4,964,256 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.8

Radius: 11.3

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.74 AU - 0.78 AU

Year: 449 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,640,146 km

• M1: 140,772 km (0.114 R)
• M2: 708,795 km (0.088 R)
• M3: 1,111,063 km (0.119 R)
• M4: 1,620,295 km (0.12 R)
• M5: 2,005,808 km (0.117 R)
• M6: 3,295,192 km (0.103 R)
• M7: 3,771,213 km (0.081 R)
• M8: 4,862,380 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 9

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.79 AU - 1.03 AU

Year: 589 Days

Day: 12.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,640,146 km

• M1: 111,899 km (0.119 R)
• M2: 398,529 km (0.084 R)
• M3: 685,457 km (0.028 R)
• M4: 1,333,665 km (0.114 R)
• M5: 1,883,736 km (0.107 R)
• M6: 2,165,280 km (0.062 R)
• M7: 2,465,074 km (0.11 R)
• M8: 3,258,690 km (0.095 R)
• M9: 3,601,868 km (0.099 R)
• M10: 3,913,331 km (0.077 R)
• M11: 4,497,959 km (0.108 R)
• M12: 4,795,360 km (0.096 R)
• M13: 5,240,862 km (0.108 R)
• M14: 5,768,045 km (0.097 R)
• M15: 6,157,748 km (0.119 R)
• M16: 6,525,459 km (0.111 R)
• M17: 6,969,466 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 14.4

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.84 AU - 1 AU

Year: 599 Days

Day: 7.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,640,146 km

• M1: 180,565 km (0.057 R)
• M2: 689,646 km (0.119 R)
• M3: 1,242,710 km (0.077 R)
• M4: 1,714,541 km (0.113 R)
• M5: 2,714,453 km (0.081 R)
• M6: 3,415,170 km (0.097 R)
• M7: 3,961,651 km (0.091 R)
• M8: 4,644,266 km (0.097 R)
• M9: 6,018,622 km (0.114 R)
• M10: 6,539,222 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 13.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1 AU - 1.32 AU

Year: 847 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,640,146 km

• M1: 170,392 km (0.09 R)
• M2: 603,179 km (0.102 R)
• M3: 1,264,102 km (0.097 R)
• M4: 2,072,379 km (0.086 R)
• M5: 2,524,464 km (0.117 R)
• M6: 3,069,599 km (0.108 R)
• M7: 3,632,984 km (0.078 R)
• M8: 4,365,864 km (0.108 R)
• M9: 5,468,251 km (0.103 R)
• M10: 6,063,950 km (0.117 R)
• M11: 7,410,480 km (0.036 R)
• M12: 9,003,548 km (0.107 R)
• M13: 9,572,618 km (0.045 R)
• M14: 10,165,624 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.5

Radius: 8.8

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.75 AU - 5.51 AU

Year: 6757 Days

Day: 14.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,640,146 km

• M1: 109,506 km (0.088 R)
• M2: 410,347 km (0.102 R)
• M3: 878,588 km (0.118 R)
• M4: 1,680,134 km (0.079 R)
• M5: 2,068,639 km (0.104 R)
• M6: 2,354,521 km (0.116 R)
• M7: 2,944,984 km (0.036 R)
• M8: 4,338,338 km (0.065 R)
• M9: 4,725,049 km (0.107 R)
• M10: 5,286,639 km (0.088 R)
• M11: 6,228,807 km (0.095 R)
• M12: 6,721,881 km (0.091 R)
• M13: 7,015,093 km (0.103 R)
• M14: 8,827,770 km (0.089 R)
• M15: 11,033,292 km (0.111 R)
• M16: 11,598,173 km (0.055 R)
• M17: 12,021,086 km (0.066 R)
• M18: 15,087,244 km (0.07 R)
• M19: 15,912,127 km (0.076 R)
• M20: 17,651,502 km (0.063 R)
• M21: 19,440,243 km (0.107 R)
• M22: 20,340,374 km (0.081 R)
• M23: 22,548,438 km (0.054 R)
• M24: 25,794,114 km (0.062 R)
• M25: 26,243,057 km (0.089 R)
• M26: 27,621,452 km (0.1 R)
• M27: 29,338,536 km (0.072 R)
• M28: 29,729,585 km (0.092 R)
• M29: 30,322,591 km (0.086 R)
• M30: 30,722,316 km (0.099 R)
• M31: 35,464,718 km (0.117 R)
• M32: 37,836,144 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.9

Radius: 6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.49 AU - 6.63 AU

Year: 10118 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,640,146 km

• M1: 74,799 km (0.118 R)
• M2: 331,658 km (0.076 R)
• M3: 1,440,777 km (0.115 R)
• M4: 1,633,310 km (0.086 R)
• M5: 1,898,547 km (0.073 R)
• M6: 2,366,339 km (0.085 R)
• M7: 2,566,950 km (0.112 R)
• M8: 3,099,369 km (0.075 R)
• M9: 3,658,715 km (0.101 R)
• M10: 6,484,768 km (0.096 R)
• M11: 6,913,516 km (0.085 R)
• M12: 7,186,532 km (0.113 R)
• M13: 9,428,107 km (0.111 R)
• M14: 10,064,646 km (0.111 R)
• M15: 13,209,342 km (0.061 R)
• M16: 14,443,226 km (0.105 R)
• M17: 16,830,209 km (0.064 R)
• M18: 25,626,714 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.6

Radius: 7.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.22 AU - 9.72 AU

Year: 16719 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,640,146 km

• M1: 167,998 km (0.1 R)
• M2: 716,125 km (0.072 R)
• M3: 1,158,636 km (0.093 R)
• M4: 4,858,640 km (0.066 R)
• M5: 5,978,829 km (0.12 R)
• M6: 6,422,685 km (0.098 R)
• M7: 7,727,777 km (0.081 R)
• M8: 14,067,286 km (0.054 R)
• M9: 14,668,819 km (0.11 R)
• M10: 15,794,394 km (0.057 R)
• M11: 17,658,383 km (0.092 R)
• M12: 24,550,955 km (0.108 R)
• M13: 34,429,501 km (0.049 R)
• M14: 36,074,928 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 14,846 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit